--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmceserver/inc/mcesipextensions.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,229 @@
+/*
+* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:    
+*
+*/
+
+
+
+
+#ifndef CMCESIPEXTENSIONS_H
+#define CMCESIPEXTENSIONS_H
+
+//  INCLUDES
+#include <e32base.h>
+#include "mcesrv.h"
+#include "mcedefs.h"
+
+//  FORWARD CLASS DECLARATIONS
+class CMceDictionary;
+class CSIPMessageElements;
+class CSIPServerTransaction;
+class CSIPClientTransaction;
+class CDesC8Array;
+class CMceComSession;
+
+/**
+*  Class for modeling the level of support 
+*  for SIP extensions for local and remote
+*  participants of a session.
+*  @lib 
+*  @since
+*/
+class CMceSipExtensions : public CBase
+    {
+public: // Enums
+    
+    // Extensions
+    enum TExtension
+        {
+        E100rel = 1,
+        EQosPreconds,
+        ESecPreconds,
+        EUpdate,
+        EPrack,
+        ESubscribe,
+        ERefer,
+        ENotify
+        };
+    
+    // Support levels
+    enum TLevel
+        {
+        ENotSupported,
+        ESupported,
+        ERequired
+        };
+    
+public: // Constructors and destructor
+
+	/**
+	* Two-phased constructor.
+	*/
+	static CMceSipExtensions* NewL();
+
+	/**
+	* Destructor.
+	*/
+	~CMceSipExtensions();
+    
+public: // New functions
+
+    /**
+    * Query the level of local support for given extension.
+    * Not stored extension is considered not supported.
+    * @param aExtension the extension
+    * @return the level of support
+    */
+    TLevel Local( TExtension aExtension );
+    
+    /**
+    * Query the level of remote support for given extension.
+    * Not stored extension is considered not supported.
+    * @param aExtension the extension
+    * @return the level of support
+    */
+    TLevel Remote( TExtension aExtension );
+    
+    /**
+    * Set the level of local support for given extension.
+    * Ignored, if the extension is not stored.
+    * @param aExtension the extension
+    * @param aLevel the level
+    */
+    void SetLocal( TExtension aExtension, TLevel aLevel );
+    
+    /**
+    * Set the level of remote support for given extension.
+    * Ignored, if the extension is not stored.
+    * @param aExtension the extension
+    * @param aLevel the level
+    */
+    void SetRemote( TExtension aExtension, TLevel aLevel );
+    
+    /**
+    * Returns the level of support for certain SIP extension,
+    * @param aTransaction the transaction
+    * @param aExtension the extension
+    * @return the level
+    */
+    TLevel LevelL( CSIPTransactionBase& aTransaction,
+                  TExtension aExtension );
+    
+    /**
+    * Updates the extensions according to incoming request.
+    * Leaves with KErrNotSupported, if unsupported extension is required.
+    * @param aTransaction the transaction
+    */
+    void UpdateL( CSIPServerTransaction& aTransaction );
+    
+    /**
+    * Updates the extensions according to incoming response
+    * Leaves with KErrNotSupported, if unsupported extensions is required.
+    * @param aTransaction the transaction
+    */
+    void UpdateL( CSIPClientTransaction& aTransaction );
+    
+    /**
+    * Updates the extensions according to client preferences
+    * Leaves with KErrNotSupported, if unsupported extensions is required.
+    * @param aBody the client data
+    */
+    void Update( CMceComSession& aBody );
+    
+    /**
+    * Finds out, is the remote UA IMS Rel5 terminal
+    */
+    TBool RemoteIMSRel5();
+    
+    /**
+    * Put all allow headers supported by MCE into array
+    * @param aArray contains the allow header values
+    */
+    void ExtensionAllowMethodsL( RArray<TInt>& aArray );
+	
+	/**
+    * Put all Sip extension headers supported by MCE into array
+    * @param aArray contains the allow header values
+    */
+	void LocalSipExtensionsL(RArray<TExtension>& aArray );
+    
+private:
+    
+    /**
+    * Constructor
+    */
+    CMceSipExtensions();
+    
+    /**
+    * Second phase constructor
+    */
+    void ConstructL();
+
+private: // utility    
+    /**
+    * Adds the default items in dictionary
+    * @param aDictionary the dictionary
+    */
+    void AddDefaultsL( CMceDictionary& aDictionary );
+    
+    /**
+    * Returns the level of extension in dictionary
+    * @param aDictionary the dictionary
+    * @param aExtension the extension
+    * @return the level of support
+    */
+    TLevel Level( const CMceDictionary& aDictionary, 
+                  TExtension aExtension ) const;
+    
+    /**
+    * Set the level of support for given extension in dictionary.
+    * Ignored, if the extension is not stored.
+    * @param aDictionary the dictionary
+    * @param aExtension the extension
+    * @param aLevel the level
+    */
+    void SetLevel( CMceDictionary& aDictionary, 
+                   TExtension aExtension, 
+                   TLevel aLevel );
+
+    /**
+    * Update extension value specified by session modifier 
+    * according to given value.
+    * @param aModifier the session modifier
+    * @param aValue the value
+    */
+    void Update( TMceSessionModifier aModifier, TUint aValue );
+    
+    /**
+    * Setting romete extesion header support status
+    * @param aMessage SipMessages
+    * @return void
+    */
+    void SetExtensionAllowHeadersL( const CSIPMessageElements* aMessage );
+ 
+private: // Data
+    
+    // Dictionary for local extensions
+    CMceDictionary* iLocal;
+    
+    // Dictionary for remote extensions
+    CMceDictionary* iRemote;
+    
+    MCESRV_UT_DEFINITIONS
+    };
+
+#endif //CMceSipEXTENSIONS_H
+
+// End of File